| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Flavobacterium cupreum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium cucumis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium crocinum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium croceum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium crassostreae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium compostarboris | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium commune | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium columnare | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium collinsii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium collinsense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium circumlabens | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium chungnamense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium chungbukense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium chungangense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium chuncheonense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium chryseum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium chilense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium cheonhonense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium cheongpyeongense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium cheonanense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium cheniae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium cerinum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium cellulosilyticum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium celericrescens | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium cauense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium caseinilyticum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium caeni | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium buctense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium brevivitae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Flavobacterium branchiophilum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |